Home / 15,902.04-21,946.20-8,829.84

Finding the Fourth Proportional to 15,902.04, 21,946.20 and 8,829.84

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Solution

The fourth proportional to 15,902.04, 21,946.20 and 8,829.84 is: 12,185.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,902.04 : 21,946.20 = 8,829.84 : x
  2. Step 2: Convert to fraction form
    15,902.04/21,946.20 = 8,829.84/x
  3. Step 3: Cross multiply
    15,902.04x = 21,946.20 × 8,829.84
  4. Step 4: Simplify right side
    15,902.04x = 193,781,434.61
  5. Step 5: Solve for x
    x = 193,781,434.61/15,902.04
  6. Step 6: Final answer
    x = 12,185.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.